19159340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 43781472

約数和(自身を除く): 24622132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1523, 2516, 3046, 3145, 6092, 6290, 7615, 12580, 15230, 25891, 30460, 51782, 56351, 103564, 112702, 129455, 225404, 258910, 281755, 517820, 563510, 957967, 1127020, 1915934, 3831868, 4789835, 9579670, 19159340]

約数ペア:

[(1, 19159340), (2, 9579670), (4, 4789835), (5, 3831868), (10, 1915934), (17, 1127020), (20, 957967), (34, 563510), (37, 517820), (68, 281755), (74, 258910), (85, 225404), (148, 129455), (170, 112702), (185, 103564), (340, 56351), (370, 51782), (629, 30460), (740, 25891), (1258, 15230), (1523, 12580), (2516, 7615), (3046, 6290), (3145, 6092)]